We introduce the two-echelon covering tour vehicle routing problem (2E-CTVRP) for the distribution of relief supplies after a disaster. In the first echelon, a fleet of trucks transports supplies and drones from a central depot to satellites at the periphery of the affected area. In the second echelon, drones launched...
Dang Viet Anh Nguyen, R. Piplani, Aldy Gunawan· 0 citations
Under train delays and cancellations, reconciliation continues to improve OD accuracy, with FCR achieving larger reductions than MinT-Sample in disruption-affected subsets, highlighting the value of hierarchical reconciliation under both regular and disrupted operations.
Dang Viet Anh Nguyen, Alma Fazlagic, Kristín Loft et al.· arXiv.org· 0 citations
T-REX is introduced, an open-source, SUMO-based simulation framework for training and evaluating RL-TSC methods under dynamic, incident scenarios, and shows that while independent value-based and decentralized pressure-based methods offer fast convergence and generalization in stable traffic conditions and homogeneous...
Dang Viet Anh Nguyen, Carlos Lima Azevedo, Tomer Toledo et al.· European Transport Research...· 0 citations
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